在发动机VIN码处用打磨机把油漆磨掉（尽量光滑平整)，打刻机打刻发动机

At the VIN code of the engine, use a sander to grind off the paint (as smooth and flat as possible), engrave the engine steel number with the engraving machine, print it with extension paper after printing, and re-spray with red paint after the extension.

In the engine VIN code with the grinder to grind off the paint (as smooth and flat as possible), engraving machine engraving engine steel number, printing good after printing with the printing paper, after printing the reprint editing red paint.

Grind off the paint (as smooth and smooth as possible) at the VIN code of the engine with a grinder, engrave the steel grade of the engine with a engraving machine, and then rub it with rubbing paper after printing, and spray red paint again after rubbing.